Let the Vista system only recognize the mobile hard disk you specified

                  Now U disk has been very popular, you can buy 1G for dozens of dollars, and many mobile phone functions also have U disk function, so I want to copy some files from other people's computers, it is very simple, so There is a great threat to the data in the computer. In fact, there is no need to worry about this problem in the Vista system. We can disable all USB storage devices by setting, and also allow the system to use only the specified USB flash drive. Let us introduce the process of setting up.

1, put their first U disk inserted into the Vista system, the system can be used normally U disk, then enter the "Control Panel", double-click the "Device Manager", expand the "portable devices" on the inside, you can see inside your U disk, as shown below:



Figure 1 device Manager
2, above, click the right mouse button to select "properties" in the pop-up "property Click the "Details" tab in the window, and then select "Hardware ID" in the device "Properties" drop-down box. A string will appear in the "Value" below. This is the hardware ID of your USB flash drive. Copy it out. Save it (friendship, not all U disk and other devices can find this hardware ID).

We also need to copy the hardware ID of "USB Mass Storage Device" in "Universal Serial Bus Controller", expand the "Universal Serial Bus Controller" list in "Device Manager" and find " USB mass storage device, click on the "Details" tab in its "Properties" window, copy its hardware ID and save it.

find out after the hardware ID U disk can be achieved through Group Policy. Press the shortcut key "Win+R" to open the "Run" dialog box, enter "gpedit.msc" to bring up the Group Policy window, expand "Computer Configuration → Administrative Templates → System → Device Installation → Device Installation Restriction", double click On the right side, "Do not install devices that are not described by other policy settings", select "Enabled" in the pop-up window, and then click the "OK" button to set it to disable USB devices that are not described by the policy.